Simultaneously baking and sealing a faceplate assembly

Details Simultaneously baking and sealing a faceplate assembly Simultaneously baking and sealing a faceplate assembly

1976-09-15

1977-11-15

Bashore, S. Leon

Glass manufacturing

Processes

Operating under inert or reducing conditions

65 43, 65 53, 106 53, C03C 2700

Patent

active

040583872

ABSTRACT:
A sealing glass composition comprises a PbO-containing glass frit, two particulate refractory fillers having controlled particle size distributions, and optionally at least one additive to prevent the chemical reduction of the PbO when the frit is fired in the presence of reducing conditions. The sealing glass composition is useful as a package sealant. It is especially useful as a solder glass for sealing a face plate portion to a funnel portion of a color television picture tube at temperatures of about 400.degree. C. A particulate glass composition for use in preparing the sealing glass composition, a sealing glass paste and methods of using the sealing glass and paste are provided.

REFERENCES:
patent: 2749668 (1956-06-01), Chaffotte et al.
patent: 3778242 (1973-12-01), Francel et al.
patent: 3912482 (1975-10-01), LaGrouw et al.
patent: 3973975 (1976-08-01), Francel et al.

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